Search results
Results From The WOW.Com Content Network
An audio recording of a house sparrow. The house sparrow (Passer domesticus) is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of 16 cm (6.3 in) and a mass of 24–39.5 g (0.85–1.39 oz).
Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony. Colonial nesting birds include seabirds such as auks and albatrosses; wetland species such as herons; and a few passerines such as weaverbirds, certain blackbirds, and some swallows.
Group living provides the presence of social information within the group, allowing both male and female members to find and select potential mating partners. Alongside this, living in a group allows for higher reproductive success as individuals have access to a greater number of potential mates, and the possibility to choose between them. [1]
Old World sparrows are a group of small passerine birds forming the family Passeridae. They are also known as true sparrows , a name also used for a particular genus of the family, Passer . [ 1 ] They are distinct from both the New World sparrows , in the family Passerellidae , and from a few other birds sharing their name, such as the Java ...
Black-headed gulls, bar-tailed godwits and sanderlings foraging on a beach. A mixed-species feeding flock, also termed a mixed-species foraging flock, mixed hunting party or informally bird wave, is a flock of usually insectivorous birds of different species that join each other and move together while foraging. [1]
Breeding ranges of the four fox sparrow groups The fox sparrow ( Passerella iliaca ) is a large New World sparrow . It is the only member of the genus Passerella , although some authors split the species into four (see below).
Invasive sparrows and starlings can hurt native bird populations, while ants may invade bluebird nest boxes. Dealing with pests in your yard: Starlings, sparrows, and ants attacking nest boxes ...
Birds live worldwide and range in size from the 5.5 cm (2.2 in) bee hummingbird to the 2.8 m (9 ft 2 in) common ostrich. There are over 11,000 living species and they are split into 44 orders. More than half are passerine or "perching" birds.